Find IP IPv4 Network/Subnet and its host address ranges

What is an IPv4 IP address its network and host address ranges?

An IPv4 IP address is an address used in order to uniquely identify a device on an IP network. The address is made up of 32 binary bits, which can be divisible into a network portion and host portion with the help of a subnet mask. The 32 binary bits are broken into four octets (1 octet = 8 bits). Each octet is converted to decimal and separated by a period (dot).

How to Subnet IPv4? Its simple answer is that subnetting is the process of taking a network and splitting it into smaller networks, known as subnets. It's used to free up more public IPv4 addresses and segment networks for security and easier management.
Following are the ranges of IPv4 subnet/network address and their host addresses.

IPv4 AddressIPv6 Address
120.3.142.1 0:0:0:0:0:ffff:7803:8e01
120.3.142.2 0:0:0:0:0:ffff:7803:8e02
120.3.142.3 0:0:0:0:0:ffff:7803:8e03
120.3.142.4 0:0:0:0:0:ffff:7803:8e04
120.3.142.5 0:0:0:0:0:ffff:7803:8e05
120.3.142.6 0:0:0:0:0:ffff:7803:8e06
120.3.142.7 0:0:0:0:0:ffff:7803:8e07
120.3.142.8 0:0:0:0:0:ffff:7803:8e08
120.3.142.9 0:0:0:0:0:ffff:7803:8e09
120.3.142.10 0:0:0:0:0:ffff:7803:8e0a
120.3.142.11 0:0:0:0:0:ffff:7803:8e0b
120.3.142.12 0:0:0:0:0:ffff:7803:8e0c
120.3.142.13 0:0:0:0:0:ffff:7803:8e0d
120.3.142.14 0:0:0:0:0:ffff:7803:8e0e
120.3.142.15 0:0:0:0:0:ffff:7803:8e0f
120.3.142.16 0:0:0:0:0:ffff:7803:8e10
120.3.142.17 0:0:0:0:0:ffff:7803:8e11
120.3.142.18 0:0:0:0:0:ffff:7803:8e12
120.3.142.19 0:0:0:0:0:ffff:7803:8e13
120.3.142.20 0:0:0:0:0:ffff:7803:8e14
120.3.142.21 0:0:0:0:0:ffff:7803:8e15
120.3.142.22 0:0:0:0:0:ffff:7803:8e16
120.3.142.23 0:0:0:0:0:ffff:7803:8e17
120.3.142.24 0:0:0:0:0:ffff:7803:8e18
120.3.142.25 0:0:0:0:0:ffff:7803:8e19
120.3.142.26 0:0:0:0:0:ffff:7803:8e1a
120.3.142.27 0:0:0:0:0:ffff:7803:8e1b
120.3.142.28 0:0:0:0:0:ffff:7803:8e1c
120.3.142.29 0:0:0:0:0:ffff:7803:8e1d
120.3.142.30 0:0:0:0:0:ffff:7803:8e1e
120.3.142.31 0:0:0:0:0:ffff:7803:8e1f
120.3.142.32 0:0:0:0:0:ffff:7803:8e20
120.3.142.33 0:0:0:0:0:ffff:7803:8e21
120.3.142.34 0:0:0:0:0:ffff:7803:8e22
120.3.142.35 0:0:0:0:0:ffff:7803:8e23
120.3.142.36 0:0:0:0:0:ffff:7803:8e24
120.3.142.37 0:0:0:0:0:ffff:7803:8e25
120.3.142.38 0:0:0:0:0:ffff:7803:8e26
120.3.142.39 0:0:0:0:0:ffff:7803:8e27
120.3.142.40 0:0:0:0:0:ffff:7803:8e28
120.3.142.41 0:0:0:0:0:ffff:7803:8e29
120.3.142.42 0:0:0:0:0:ffff:7803:8e2a
120.3.142.43 0:0:0:0:0:ffff:7803:8e2b
120.3.142.44 0:0:0:0:0:ffff:7803:8e2c
120.3.142.45 0:0:0:0:0:ffff:7803:8e2d
120.3.142.46 0:0:0:0:0:ffff:7803:8e2e
120.3.142.47 0:0:0:0:0:ffff:7803:8e2f
120.3.142.48 0:0:0:0:0:ffff:7803:8e30
120.3.142.49 0:0:0:0:0:ffff:7803:8e31
120.3.142.50 0:0:0:0:0:ffff:7803:8e32
120.3.142.51 0:0:0:0:0:ffff:7803:8e33
120.3.142.52 0:0:0:0:0:ffff:7803:8e34
120.3.142.53 0:0:0:0:0:ffff:7803:8e35
120.3.142.54 0:0:0:0:0:ffff:7803:8e36
120.3.142.55 0:0:0:0:0:ffff:7803:8e37
120.3.142.56 0:0:0:0:0:ffff:7803:8e38
120.3.142.57 0:0:0:0:0:ffff:7803:8e39
120.3.142.58 0:0:0:0:0:ffff:7803:8e3a
120.3.142.59 0:0:0:0:0:ffff:7803:8e3b
120.3.142.60 0:0:0:0:0:ffff:7803:8e3c


120.3.142.61 0:0:0:0:0:ffff:7803:8e3d
120.3.142.62 0:0:0:0:0:ffff:7803:8e3e
120.3.142.63 0:0:0:0:0:ffff:7803:8e3f
120.3.142.64 0:0:0:0:0:ffff:7803:8e40
120.3.142.65 0:0:0:0:0:ffff:7803:8e41
120.3.142.66 0:0:0:0:0:ffff:7803:8e42
120.3.142.67 0:0:0:0:0:ffff:7803:8e43
120.3.142.68 0:0:0:0:0:ffff:7803:8e44
120.3.142.69 0:0:0:0:0:ffff:7803:8e45
120.3.142.70 0:0:0:0:0:ffff:7803:8e46
120.3.142.71 0:0:0:0:0:ffff:7803:8e47
120.3.142.72 0:0:0:0:0:ffff:7803:8e48
120.3.142.73 0:0:0:0:0:ffff:7803:8e49
120.3.142.74 0:0:0:0:0:ffff:7803:8e4a
120.3.142.75 0:0:0:0:0:ffff:7803:8e4b
120.3.142.76 0:0:0:0:0:ffff:7803:8e4c
120.3.142.77 0:0:0:0:0:ffff:7803:8e4d
120.3.142.78 0:0:0:0:0:ffff:7803:8e4e
120.3.142.79 0:0:0:0:0:ffff:7803:8e4f
120.3.142.80 0:0:0:0:0:ffff:7803:8e50
120.3.142.81 0:0:0:0:0:ffff:7803:8e51
120.3.142.82 0:0:0:0:0:ffff:7803:8e52
120.3.142.83 0:0:0:0:0:ffff:7803:8e53
120.3.142.84 0:0:0:0:0:ffff:7803:8e54
120.3.142.85 0:0:0:0:0:ffff:7803:8e55
120.3.142.86 0:0:0:0:0:ffff:7803:8e56
120.3.142.87 0:0:0:0:0:ffff:7803:8e57
120.3.142.88 0:0:0:0:0:ffff:7803:8e58
120.3.142.89 0:0:0:0:0:ffff:7803:8e59
120.3.142.90 0:0:0:0:0:ffff:7803:8e5a
120.3.142.91 0:0:0:0:0:ffff:7803:8e5b
120.3.142.92 0:0:0:0:0:ffff:7803:8e5c
120.3.142.93 0:0:0:0:0:ffff:7803:8e5d
120.3.142.94 0:0:0:0:0:ffff:7803:8e5e
120.3.142.95 0:0:0:0:0:ffff:7803:8e5f
120.3.142.96 0:0:0:0:0:ffff:7803:8e60
120.3.142.97 0:0:0:0:0:ffff:7803:8e61
120.3.142.98 0:0:0:0:0:ffff:7803:8e62
120.3.142.99 0:0:0:0:0:ffff:7803:8e63
120.3.142.100 0:0:0:0:0:ffff:7803:8e64
120.3.142.101 0:0:0:0:0:ffff:7803:8e65
120.3.142.102 0:0:0:0:0:ffff:7803:8e66
120.3.142.103 0:0:0:0:0:ffff:7803:8e67
120.3.142.104 0:0:0:0:0:ffff:7803:8e68
120.3.142.105 0:0:0:0:0:ffff:7803:8e69
120.3.142.106 0:0:0:0:0:ffff:7803:8e6a
120.3.142.107 0:0:0:0:0:ffff:7803:8e6b
120.3.142.108 0:0:0:0:0:ffff:7803:8e6c
120.3.142.109 0:0:0:0:0:ffff:7803:8e6d
120.3.142.110 0:0:0:0:0:ffff:7803:8e6e
120.3.142.111 0:0:0:0:0:ffff:7803:8e6f
120.3.142.112 0:0:0:0:0:ffff:7803:8e70
120.3.142.113 0:0:0:0:0:ffff:7803:8e71
120.3.142.114 0:0:0:0:0:ffff:7803:8e72
120.3.142.115 0:0:0:0:0:ffff:7803:8e73
120.3.142.116 0:0:0:0:0:ffff:7803:8e74
120.3.142.117 0:0:0:0:0:ffff:7803:8e75
120.3.142.118 0:0:0:0:0:ffff:7803:8e76
120.3.142.119 0:0:0:0:0:ffff:7803:8e77
120.3.142.120 0:0:0:0:0:ffff:7803:8e78


120.3.142.121 0:0:0:0:0:ffff:7803:8e79
120.3.142.122 0:0:0:0:0:ffff:7803:8e7a
120.3.142.123 0:0:0:0:0:ffff:7803:8e7b
120.3.142.124 0:0:0:0:0:ffff:7803:8e7c
120.3.142.125 0:0:0:0:0:ffff:7803:8e7d
120.3.142.126 0:0:0:0:0:ffff:7803:8e7e
120.3.142.127 0:0:0:0:0:ffff:7803:8e7f
120.3.142.128 0:0:0:0:0:ffff:7803:8e80
120.3.142.129 0:0:0:0:0:ffff:7803:8e81
120.3.142.130 0:0:0:0:0:ffff:7803:8e82
120.3.142.131 0:0:0:0:0:ffff:7803:8e83
120.3.142.132 0:0:0:0:0:ffff:7803:8e84
120.3.142.133 0:0:0:0:0:ffff:7803:8e85
120.3.142.134 0:0:0:0:0:ffff:7803:8e86
120.3.142.135 0:0:0:0:0:ffff:7803:8e87
120.3.142.136 0:0:0:0:0:ffff:7803:8e88
120.3.142.137 0:0:0:0:0:ffff:7803:8e89
120.3.142.138 0:0:0:0:0:ffff:7803:8e8a
120.3.142.139 0:0:0:0:0:ffff:7803:8e8b
120.3.142.140 0:0:0:0:0:ffff:7803:8e8c
120.3.142.141 0:0:0:0:0:ffff:7803:8e8d
120.3.142.142 0:0:0:0:0:ffff:7803:8e8e
120.3.142.143 0:0:0:0:0:ffff:7803:8e8f
120.3.142.144 0:0:0:0:0:ffff:7803:8e90
120.3.142.145 0:0:0:0:0:ffff:7803:8e91
120.3.142.146 0:0:0:0:0:ffff:7803:8e92
120.3.142.147 0:0:0:0:0:ffff:7803:8e93
120.3.142.148 0:0:0:0:0:ffff:7803:8e94
120.3.142.149 0:0:0:0:0:ffff:7803:8e95
120.3.142.150 0:0:0:0:0:ffff:7803:8e96
120.3.142.151 0:0:0:0:0:ffff:7803:8e97
120.3.142.152 0:0:0:0:0:ffff:7803:8e98
120.3.142.153 0:0:0:0:0:ffff:7803:8e99
120.3.142.154 0:0:0:0:0:ffff:7803:8e9a
120.3.142.155 0:0:0:0:0:ffff:7803:8e9b
120.3.142.156 0:0:0:0:0:ffff:7803:8e9c
120.3.142.157 0:0:0:0:0:ffff:7803:8e9d
120.3.142.158 0:0:0:0:0:ffff:7803:8e9e
120.3.142.159 0:0:0:0:0:ffff:7803:8e9f
120.3.142.160 0:0:0:0:0:ffff:7803:8ea0
120.3.142.161 0:0:0:0:0:ffff:7803:8ea1
120.3.142.162 0:0:0:0:0:ffff:7803:8ea2
120.3.142.163 0:0:0:0:0:ffff:7803:8ea3
120.3.142.164 0:0:0:0:0:ffff:7803:8ea4
120.3.142.165 0:0:0:0:0:ffff:7803:8ea5
120.3.142.166 0:0:0:0:0:ffff:7803:8ea6
120.3.142.167 0:0:0:0:0:ffff:7803:8ea7
120.3.142.168 0:0:0:0:0:ffff:7803:8ea8
120.3.142.169 0:0:0:0:0:ffff:7803:8ea9
120.3.142.170 0:0:0:0:0:ffff:7803:8eaa
120.3.142.171 0:0:0:0:0:ffff:7803:8eab
120.3.142.172 0:0:0:0:0:ffff:7803:8eac
120.3.142.173 0:0:0:0:0:ffff:7803:8ead
120.3.142.174 0:0:0:0:0:ffff:7803:8eae
120.3.142.175 0:0:0:0:0:ffff:7803:8eaf
120.3.142.176 0:0:0:0:0:ffff:7803:8eb0
120.3.142.177 0:0:0:0:0:ffff:7803:8eb1
120.3.142.178 0:0:0:0:0:ffff:7803:8eb2
120.3.142.179 0:0:0:0:0:ffff:7803:8eb3
120.3.142.180 0:0:0:0:0:ffff:7803:8eb4


120.3.142.181 0:0:0:0:0:ffff:7803:8eb5
120.3.142.182 0:0:0:0:0:ffff:7803:8eb6
120.3.142.183 0:0:0:0:0:ffff:7803:8eb7
120.3.142.184 0:0:0:0:0:ffff:7803:8eb8
120.3.142.185 0:0:0:0:0:ffff:7803:8eb9
120.3.142.186 0:0:0:0:0:ffff:7803:8eba
120.3.142.187 0:0:0:0:0:ffff:7803:8ebb
120.3.142.188 0:0:0:0:0:ffff:7803:8ebc
120.3.142.189 0:0:0:0:0:ffff:7803:8ebd
120.3.142.190 0:0:0:0:0:ffff:7803:8ebe
120.3.142.191 0:0:0:0:0:ffff:7803:8ebf
120.3.142.192 0:0:0:0:0:ffff:7803:8ec0
120.3.142.193 0:0:0:0:0:ffff:7803:8ec1
120.3.142.194 0:0:0:0:0:ffff:7803:8ec2
120.3.142.195 0:0:0:0:0:ffff:7803:8ec3
120.3.142.196 0:0:0:0:0:ffff:7803:8ec4
120.3.142.197 0:0:0:0:0:ffff:7803:8ec5
120.3.142.198 0:0:0:0:0:ffff:7803:8ec6
120.3.142.199 0:0:0:0:0:ffff:7803:8ec7
120.3.142.200 0:0:0:0:0:ffff:7803:8ec8
120.3.142.201 0:0:0:0:0:ffff:7803:8ec9
120.3.142.202 0:0:0:0:0:ffff:7803:8eca
120.3.142.203 0:0:0:0:0:ffff:7803:8ecb
120.3.142.204 0:0:0:0:0:ffff:7803:8ecc
120.3.142.205 0:0:0:0:0:ffff:7803:8ecd
120.3.142.206 0:0:0:0:0:ffff:7803:8ece
120.3.142.207 0:0:0:0:0:ffff:7803:8ecf
120.3.142.208 0:0:0:0:0:ffff:7803:8ed0
120.3.142.209 0:0:0:0:0:ffff:7803:8ed1
120.3.142.210 0:0:0:0:0:ffff:7803:8ed2
120.3.142.211 0:0:0:0:0:ffff:7803:8ed3
120.3.142.212 0:0:0:0:0:ffff:7803:8ed4
120.3.142.213 0:0:0:0:0:ffff:7803:8ed5
120.3.142.214 0:0:0:0:0:ffff:7803:8ed6
120.3.142.215 0:0:0:0:0:ffff:7803:8ed7
120.3.142.216 0:0:0:0:0:ffff:7803:8ed8
120.3.142.217 0:0:0:0:0:ffff:7803:8ed9
120.3.142.218 0:0:0:0:0:ffff:7803:8eda
120.3.142.219 0:0:0:0:0:ffff:7803:8edb
120.3.142.220 0:0:0:0:0:ffff:7803:8edc
120.3.142.221 0:0:0:0:0:ffff:7803:8edd
120.3.142.222 0:0:0:0:0:ffff:7803:8ede
120.3.142.223 0:0:0:0:0:ffff:7803:8edf
120.3.142.224 0:0:0:0:0:ffff:7803:8ee0
120.3.142.225 0:0:0:0:0:ffff:7803:8ee1
120.3.142.226 0:0:0:0:0:ffff:7803:8ee2
120.3.142.227 0:0:0:0:0:ffff:7803:8ee3
120.3.142.228 0:0:0:0:0:ffff:7803:8ee4
120.3.142.229 0:0:0:0:0:ffff:7803:8ee5
120.3.142.230 0:0:0:0:0:ffff:7803:8ee6
120.3.142.231 0:0:0:0:0:ffff:7803:8ee7
120.3.142.232 0:0:0:0:0:ffff:7803:8ee8
120.3.142.233 0:0:0:0:0:ffff:7803:8ee9
120.3.142.234 0:0:0:0:0:ffff:7803:8eea
120.3.142.235 0:0:0:0:0:ffff:7803:8eeb
120.3.142.236 0:0:0:0:0:ffff:7803:8eec
120.3.142.237 0:0:0:0:0:ffff:7803:8eed
120.3.142.238 0:0:0:0:0:ffff:7803:8eee
120.3.142.239 0:0:0:0:0:ffff:7803:8eef
120.3.142.240 0:0:0:0:0:ffff:7803:8ef0
120.3.142.241 0:0:0:0:0:ffff:7803:8ef1
120.3.142.242 0:0:0:0:0:ffff:7803:8ef2
120.3.142.243 0:0:0:0:0:ffff:7803:8ef3
120.3.142.244 0:0:0:0:0:ffff:7803:8ef4
120.3.142.245 0:0:0:0:0:ffff:7803:8ef5
120.3.142.246 0:0:0:0:0:ffff:7803:8ef6
120.3.142.247 0:0:0:0:0:ffff:7803:8ef7
120.3.142.248 0:0:0:0:0:ffff:7803:8ef8
120.3.142.249 0:0:0:0:0:ffff:7803:8ef9
120.3.142.250 0:0:0:0:0:ffff:7803:8efa
120.3.142.251 0:0:0:0:0:ffff:7803:8efb
120.3.142.252 0:0:0:0:0:ffff:7803:8efc
120.3.142.253 0:0:0:0:0:ffff:7803:8efd
120.3.142.254 0:0:0:0:0:ffff:7803:8efe
120.3.142.255 0:0:0:0:0:ffff:7803:8eff


How we got IPv4 subnet masks?

An IPv4 subnet mask consists of 32 bits; it is a sequence of ones (1) followed by a block of zeros (0). The ones indicate bits in the address used for the network prefix and the trailing block of zeros designates that part as being the host identifier.